Lin Chen, a trader with noble background, unexpectedly awakened the ability of time dilation after the end of the world, which allows him to locally accelerate or slow down time. He discovered that his pocket watch was the legendary 'core of time', which could open the field of time expansion. In the apocalypse, he met the survivor Su Qing, a former model, and the mysterious Assassination Classroom organization. Lin Chen used his time ability to obtain resources in transactions, crush enemies in battles, gradually uncover the truth of the apocalypse, and fight against the conspiracy of the Assassination Classroom. In the end, he became a symbol of hope like Green Lantern, leading mankind to rebuild civilization.
